Home / 1,689,364.48-2,331,322.86-925,417.84

Finding the Fourth Proportional to 1,689,364.48, 2,331,322.86 and 925,417.84

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Solution

The fourth proportional to 1,689,364.48, 2,331,322.86 and 925,417.84 is: 1,277,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,364.48 : 2,331,322.86 = 925,417.84 : x
  2. Step 2: Convert to fraction form
    1,689,364.48/2,331,322.86 = 925,417.84/x
  3. Step 3: Cross multiply
    1,689,364.48x = 2,331,322.86 × 925,417.84
  4. Step 4: Simplify right side
    1,689,364.48x = 2,157,447,765,443.82
  5. Step 5: Solve for x
    x = 2,157,447,765,443.82/1,689,364.48
  6. Step 6: Final answer
    x = 1,277,076.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.